| No. | Item | Definition |
|---|---|---|
| 1. | anchor | stabilizing supporting element |
| 2. | argument | reasoned supporting case |
| 3. | armature | supporting framework |
| 4. | authentication | proof of genuineness |
| 5. | axiom | self-evident basic truth |
| 6. | backbone | main supporting strength |
| 7. | base | bottom support or foundation |
| 8. | basis | underlying support or starting point |
| 9. | bedrock | firm underlying support |
| 10. | blueprint | detailed foundational plan |
| 11. | brace | supporting reinforcement |
| 12. | bulwark | strong support or defense |
| 13. | buttress | supporting structure or force |
| 14. | canon | accepted guiding principle |
| 15. | center | middle or central point |
| 16. | centerpiece | most important central part |
| 17. | citadel | strong central support |
| 18. | core | central essential part |
| 19. | corner pin | key securing element |
| 20. | credo | guiding belief system |
| 21. | creed | system of core beliefs |
| 22. | design | basic arrangement or plan |
| 23. | doctrine | set of guiding beliefs |
| 24. | driver | main force behind something |
| 25. | enabler | thing that makes possible |
| 26. | engine | driving force or basis |
| 27. | essence | most important nature |
| 28. | ethos | guiding character or values |
| 29. | evidence | supporting facts |
| 30. | first principle | basic foundational truth |
| 31. | font | source or origin |
| 32. | footing | secure supporting base |
| 33. | foundation | basic supporting base |
| 34. | fount | source or origin |
| 35. | fountainhead | original source or basis |
| 36. | frame | supporting structure |
| 37. | framework | supporting structure |
| 38. | fundament | basic principle or foundation |
| 39. | fundamental | essential underlying element |
| 40. | ground | supporting basis |
| 41. | grounds | reasoned basis |
| 42. | groundwork | preparatory supporting work |
| 43. | guarantee | assuring support or basis |
| 44. | guarantor | one who backs something |
| 45. | guideline | general guiding principle |
| 46. | hallmark | distinguishing central feature |
| 47. | headquarters | main operating center |
| 48. | heart | central vital part |
| 49. | hinge | central deciding point |
| 50. | home base | main place of operations |
| 51. | hub | central point of activity |
| 52. | ideal | guiding standard or aim |
| 53. | justification | supporting reason or basis |
| 54. | kernel | central meaningful part |
| 55. | keystone | central supporting element |
| 56. | lifeline | vital source of support |
| 57. | linchpin | vital holding element |
| 58. | lodestar | guiding principle or focus |
| 59. | logic | reasoning basis |
| 60. | mainspring | chief motivating force |
| 61. | mainstay | chief source of support |
| 62. | mooring | secure point of support |
| 63. | mother lode | chief source of value |
| 64. | motor | driving force |
| 65. | norm | basic accepted standard |
| 66. | nucleus | central core element |
| 67. | origin | beginning or starting point |
| 68. | pillar | important supporting part |
| 69. | plan | intended basis for action |
| 70. | platform | base for action or ideas |
| 71. | postulate | accepted foundational assumption |
| 72. | precept | guiding basic rule |
| 73. | premise | starting basis for thought |
| 74. | presupposition | assumed underlying basis |
| 75. | principle | basic truth or basis |
| 76. | prop | supporting thing |
| 77. | rampart | protective supporting barrier |
| 78. | rationale | underlying reason or basis |
| 79. | reason | basis for belief or action |
| 80. | rock | firm dependable support |
| 81. | rule | basic guiding principle |
| 82. | scheme | organized foundational plan |
| 83. | sheet anchor | chief source of support |
| 84. | skeleton | basic supporting framework |
| 85. | stanchion | upright supporting post |
| 86. | standard | accepted level or basis |
| 87. | stay | support or brace |
| 88. | structure | arranged supporting system |
| 89. | substructure | underlying supporting structure |
| 90. | support | thing that holds up |
| 91. | taproot | deep primary source |
| 92. | tenet | core belief or principle |
| 93. | touchstone | standard or key test |
| 94. | underpinning | supporting foundation or basis |
| 95. | underwriter | one who financially backs |
| 96. | validation | supporting proof of soundness |
| 97. | verification | proof of correctness |
| 98. | warrant | justifying basis |
| 99. | wellhead | source point |
| 100. | wellspring | original source |